package com.jobs.producer1.service;

import com.alibaba.fastjson.JSONObject;

/**
* @author xiaodonghong
* @description 针对表【hnyp_subject_type(主题类型)】的数据库操作Service
* @createDate 2024-07-22 18:40:10
*/
public interface DemoService {
    JSONObject demo();
}
